Harvard Heart Letter

New wireless defibrillator approved

A newly approved wireless implantable cardioverter-defibrillator (ICD) may be alternative to a traditional ICD for people at risk for an infection of the wires placed into the heart or those with blocked or narrowed coronary veins. The new device, called a subcutaneous ICD (S-ICD), may also be useful for people who are at risk for a life-threatening arrhythmia, but who do not need the device to pace a slow or fast heart rhythm—capabilities the S-ICD does not have.
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